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MID TERM 2018 > BIOLOGY > Flashcards

Flashcards in BIOLOGY Deck (29):
1

what are the 7 characteristics of living organisms?

1. movement
2. respiration
3. sensitivity
4. growth
5. reproduction
6. excretion
7. nutrition

2

define: Movement

an action made by an organism that causes the change in position

3

define: respiration

chemical reactions that breaks down nutrients in order to produce energy for metabolism

4

is breathing the same as respiration? [y/s]

no

5

when do plants respirate? [only during day/only at night/ all day]

all day

(but photosynthesis only happens in the presence of sunlight)

6

define: sensitivity

an organism’s ability to detect and react to stimuli

7

define: growth

the permanent increase in dry mass either through the increase in cell size or cell number or both

8

define: reproduction

organisms ability to make more of the same species

9

define: excretion

removal of unwanted/toxic waste from an organism

10

define: nutrition

taking in nutrients for energy

11

why is classification important? [3]

1. for easy reference and identification
2. to show the relationships between organisms
3. to trace the possible origin of organisms

12

name the groups of taxonomy from largest to smallest [8]

1. Domain
2. Kingdom
3. Phylum
4. Class
5. Order
6. Family
7. Genus
8. Species

13

define: morphology

the overall form and shape of an organism’s body

14

How are Latin binomials written? [3]

1. Genus name first (capitalised)
2. species name next (not capitalised)
3. latin binomial must be italicised/underlined

15

name the 5 features of all plant and animal cells

1. DNA/genetic material
2. cell membrane
3. cytoplasm
4. ribosomes
5. enzyme

16

name the 5 kingdoms (according to Whittaker's five-kingdom scheme)

1. prokaryote
2. protoctista
3. fungi
4. plantae
5. animalia

17

features of prokaryotes
(bacteria) [5]

1. unicellular
2. no nucleus
3. no organelles
4. cell wall of murein
5. photoautotroph/chemoautotroph

18

features of protoctista
(amoeba) [5]

1. unicellular/multicellular
2. has a nucleus
3. cell wall of cellulose
4. has chloroplast
5. photoautotroph/heterotroph

19

features of fungi
(yeast/mushrooms) [5]

1. multicellular without differenciation
2. has a nucleus
3. cell wall of chitin
4. no chloroplast
5. parasitic/saprophytic

20

features of plantae
(plants) [6]

1. multicellular
2. has a nucleus
3. cell wall of cellulose
4. has chloroplast
5. has leaves and roots
6. photoautotroph

21

features of animalia
(animals) [6]

1. multicellular
2. has a nucleus
3. no cell wall
4. no chloroplast
5. mobile
6. heterotroph

22

features of monocotyledon
(rice, barley) [5]

1. has 1 cotyledon
2. narrow leaf
3. parallel veins
4. branching roots
5. scattered vascular

23

feature of dicotyledons
(carrots, bean sprouts) [5]

1. has 2 cotyledon
2. broad leaf
3. netted veins
4. tap roots
5. bundled vascular

24

features of virus

1. spikes
2. envelope
3. protein coat
4. nucleic acid (RNA/DNA)

25

define: cladistics

process of biological classification

26

is "invertebrates" a phylum?

no, only vertebrate is but "invertebrate" is convenient for use

27

define: arthropod
& list 4 of its classes

means "jointed limbs"; cuticle; doesn't have a vertebrae
includes:
1. insects
2. crustaceans
3. myriapods
4. arachnids

28

define: cuticle

hard, firm, waterproof exoskeleton that encloses the body

29

features of insects
(dragonfly, wasp) [5]

1. 3 pairs of legs
2. body divided into 3 segments
3. a pair of compound eyes
4. a pair of antennae
5. 2 pairs of wings